// enums/cartoons/EnumImplementation.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// An enum can implement an interface
// {java enums.cartoons.EnumImplementation}
package enums.cartoons;

import java.util.Random;
import java.util.function.Supplier;

enum CartoonCharacter
        implements Supplier<CartoonCharacter> {
    SLAPPY, SPANKY, PUNCHY,
    SILLY, BOUNCY, NUTTY, BOB;
    private Random rand =
            new Random(47);

    @Override
    public CartoonCharacter get() {
        return values()[rand.nextInt(values().length)];
    }
}

public class EnumImplementation {
    public static <T> void printNext(Supplier<T> rg) {
        System.out.print(rg.get() + ", ");
    }

    public static void main(String[] args) {
        // Choose any instance:
        CartoonCharacter cc = CartoonCharacter.BOB;
        for (int i = 0; i < 10; i++)
            printNext(cc);
    }
}
/* Output:
BOB, PUNCHY, BOB, SPANKY, NUTTY, PUNCHY, SLAPPY, NUTTY,
NUTTY, SLAPPY,
*/
